From 6f2fefdd9ff5f8561b3538efb5eb0765a9b4a141 Mon Sep 17 00:00:00 2001
From: Vegard Storheil Eriksen <zyp@jvnv.net>
Date: Thu, 6 Jan 2011 05:29:39 +0100
Subject: Replaced iostream-based decoder-encoder chain with direct chain.

---
 encoder.h | 56 +++++++++++++-------------------------------------------
 1 file changed, 13 insertions(+), 43 deletions(-)

(limited to 'encoder.h')

diff --git a/encoder.h b/encoder.h
index d000ffc..6d7a0c1 100644
--- a/encoder.h
+++ b/encoder.h
@@ -1,57 +1,27 @@
 #ifndef ENCODER_H
 #define ENCODER_H
 
-#include <boost/iostreams/concepts.hpp>
-#include <boost/iostreams/operations.hpp>
+#include "decoder.h"
+
 #include <boost/shared_ptr.hpp>
-#include <boost/function.hpp>
 
-#include <iostream>
 #include <string>
 
-class EncoderBase {
-	friend class EncoderFilter;
-	
-	protected:
-		typedef boost::function<std::size_t (char*, std::size_t)> ReadFunc;
+class Encoder {
+	public:
+		typedef boost::shared_ptr<Encoder> p;
 		
-		virtual size_t encode(ReadFunc read, uint8_t *output, size_t output_size) = 0;
+		//! Virtual destructor.
+		virtual ~Encoder() {}
 		
-	public:
-		typedef boost::shared_ptr<EncoderBase> p;
-		virtual ~EncoderBase() {}
-};
-
-//! Input filter to hold an encoder in a filter chain.
-class EncoderFilter : public boost::iostreams::multichar_input_filter {
-	private:
-		EncoderBase::p encoder;
+		//! Initialize encoders.
+		static void init();
 		
-		//! Functor binding a source to a read function.
-		template<class T>
-		struct ReadFunc {
-			T& s;
-			
-			ReadFunc(T& s_) : s(s_) {}
-			
-			std::size_t operator()(char* buf, std::size_t buf_size) {
-				return boost::iostreams::read(s, buf, buf_size);
-			}
-		};
-	
-	public:
-		typedef boost::shared_ptr<EncoderFilter> p;
-		EncoderFilter(EncoderBase::p encoder_);
+		//! Construct and return requested encoder.
+		static p get(const std::string& name, RawAudioSource::p source);
 		
-		template<typename Source>
-		std::streamsize read(Source& src, char *s, std::streamsize n) {
-			return encoder->encode(ReadFunc<Source>(src), (uint8_t*)s, n);
-		};
-};
-
-namespace encoder {
-	void init();
-	EncoderFilter::p get_encoder(const std::string& name);
+		//! Read into provided buffer.
+		virtual std::size_t read(char* buf, std::size_t buf_size) = 0;
 };
 
 #endif
-- 
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